The Ruby DLC for Rainbow Six Siege is an overpriced cosmetic skin that can be applied to any of your weapons on any of the operatives. Most of the time, when a game charges this much for cosmetic DLC you at least get a few different outfits, another bonus that comes with the pack, different character models that appear in strategy games where some work had to go into them, etc. The new color is just going to make you stand out more against backgrounds and environments which is not something you would want. Paying this much for a repainted gun that is already in the game should never be done. It would be much better to see this as an in game unlock instead of selling it for this much on its own, maybe if it came with some other visual differences on the gun besides just the color, they could have at least thrown in some in game currency, sold the colors together in a pack for the same price, or included it with the season pass to make it more affordable. It's just not worth the price, unless you can find it on sale.